wp_opcache_invalidate_directory( string $dir )

Source

		return opcache_invalidate( $filepath, $force );
	}

	return false;
}

/**
 * Attempts to clear the opcode cache for a directory of files.
 *
 * @since 6.2.0
 *
 * @see wp_opcache_invalidate()
 * @link https://www.php.net/manual/en/function.opcache-invalidate.php
 *
 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 *
 * @param string $dir The path to the directory for which the opcode cache is to be cleared.
 */
function wp_opcache_invalidate_directory( $dir ) {
	global $wp_filesystem;

	if ( ! is_string( $dir ) || '' === trim( $dir ) ) {
		if ( WP_DEBUG ) {
			$error_message = sprintf(
				/* translators: %s: The function name. */
				__( '%s expects a non-empty string.' ),
				'<code>wp_opcache_invalidate_directory()</code>'
			);
			wp_trigger_error( '', $error_message );
		}
		return;
	}

	$dirlist = $wp_filesystem->dirlist( $dir, false, true );

	if ( empty( $dirlist ) ) {
		return;
	}

	/*
	 * Recursively invalidate opcache of files in a directory.
	 *
	 * WP_Filesystem_*::dirlist() returns an array of file and directory information.
	 *
	 * This does not include a path to the file or directory.
	 * To invalidate files within sub-directories, recursion is needed
	 * to prepend an absolute path containing the sub-directory's name.
	 *

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